A Study on the Analysis of Human-errors in Major Chemical Accidents in Korea 


Vol. 33,  No. 1, pp. 66-72, Feb.  2018
10.14346/JKOSOS.2018.33.1.66


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  Abstract

This study analyses the types, related operations, facilities, and causes of chemical accidents in Korea based on the RISCAD classification taxonomy. In addition, human error analysis was carried out employing different human error classification criteria. Explosion and fire were major accident types, and nearly half of the accidents occurred during maintenance operation. In terms of related facility, storage devices and separators were the two most frequently involved ones. Results of the human error-based analysis showed that latent human errors in management level are involved in many accidents as well as active errors in the field level. Action errors related to unsafe behavior leads to accidents more often compared with the checking behavior. In particular, actions missed and inappropriate actions were major problems among the unsafe behaviors, which implicates that the compliance with the work procedure should be emphasized through education/training for the workers and the establishment of safety culture. According to the analysis of the causes of the human error, the frequency of skill-based mistakes leading to accidents were significantly lower than that of rule-based and knowledge based mistakes. However, there was limitation in the analysis of the root causes due to limited information in the accident investigation report. To solve this, it is suggested to adopt advanced accident investigation system including the establishment of independent organization and improvement in regulation.

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  Cite this article

[IEEE Style]

박정철, 백종배, 이준원, 이진우, 양승혁, "A Study on the Analysis of Human-errors in Major Chemical Accidents in Korea," Journal of the Korean Society of Safety, vol. 33, no. 1, pp. 66-72, 2018. DOI: 10.14346/JKOSOS.2018.33.1.66.

[ACM Style]

박정철, 백종배, 이준원, 이진우, and 양승혁. 2018. A Study on the Analysis of Human-errors in Major Chemical Accidents in Korea. Journal of the Korean Society of Safety, 33, 1, (2018), 66-72. DOI: 10.14346/JKOSOS.2018.33.1.66.

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